./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix042.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788a08f1-8060-4b90-a00d-d74de8121670/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788a08f1-8060-4b90-a00d-d74de8121670/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788a08f1-8060-4b90-a00d-d74de8121670/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788a08f1-8060-4b90-a00d-d74de8121670/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix042.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788a08f1-8060-4b90-a00d-d74de8121670/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788a08f1-8060-4b90-a00d-d74de8121670/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 65b1f643bcee3322b8ab5a998e6338f6065aa9114a28902f0ff5431bd8cb45ea --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 06:39:07,444 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 06:39:07,445 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 06:39:07,465 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 06:39:07,465 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 06:39:07,466 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 06:39:07,468 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 06:39:07,469 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 06:39:07,471 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 06:39:07,472 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 06:39:07,473 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 06:39:07,474 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 06:39:07,474 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 06:39:07,475 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 06:39:07,476 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 06:39:07,478 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 06:39:07,478 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 06:39:07,479 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 06:39:07,481 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 06:39:07,483 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 06:39:07,484 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 06:39:07,485 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 06:39:07,487 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 06:39:07,487 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 06:39:07,491 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 06:39:07,491 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 06:39:07,491 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 06:39:07,492 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 06:39:07,493 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 06:39:07,494 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 06:39:07,494 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 06:39:07,495 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 06:39:07,496 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 06:39:07,496 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 06:39:07,497 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 06:39:07,498 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 06:39:07,498 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 06:39:07,498 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 06:39:07,499 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 06:39:07,499 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 06:39:07,500 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 06:39:07,501 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788a08f1-8060-4b90-a00d-d74de8121670/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-12-14 06:39:07,524 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 06:39:07,524 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 06:39:07,524 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 06:39:07,525 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 06:39:07,525 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 06:39:07,525 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 06:39:07,526 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 06:39:07,526 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 06:39:07,526 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 06:39:07,526 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 06:39:07,526 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 06:39:07,526 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 06:39:07,527 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 06:39:07,527 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 06:39:07,527 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 06:39:07,527 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 06:39:07,527 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 06:39:07,528 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 06:39:07,528 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 06:39:07,528 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 06:39:07,529 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 06:39:07,529 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 06:39:07,529 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 06:39:07,529 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 06:39:07,529 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 06:39:07,530 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 06:39:07,530 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 06:39:07,530 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-14 06:39:07,530 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 06:39:07,530 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 06:39:07,530 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 06:39:07,531 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 06:39:07,531 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 06:39:07,531 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 06:39:07,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:39:07,531 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 06:39:07,532 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 06:39:07,532 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 06:39:07,532 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 06:39:07,532 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 06:39:07,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 06:39:07,532 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 06:39:07,533 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 06:39:07,533 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788a08f1-8060-4b90-a00d-d74de8121670/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788a08f1-8060-4b90-a00d-d74de8121670/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65b1f643bcee3322b8ab5a998e6338f6065aa9114a28902f0ff5431bd8cb45ea [2022-12-14 06:39:07,729 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 06:39:07,747 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 06:39:07,749 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 06:39:07,750 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 06:39:07,750 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 06:39:07,751 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788a08f1-8060-4b90-a00d-d74de8121670/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/pthread-wmm/mix042.oepc.i [2022-12-14 06:39:10,284 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 06:39:10,499 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 06:39:10,500 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788a08f1-8060-4b90-a00d-d74de8121670/sv-benchmarks/c/pthread-wmm/mix042.oepc.i [2022-12-14 06:39:10,512 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788a08f1-8060-4b90-a00d-d74de8121670/bin/utaipan-gh47qXpMRh/data/d57bcf91d/45a28a26d7b44ffa98e89e19a1cc9997/FLAGe5e93858d [2022-12-14 06:39:10,854 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788a08f1-8060-4b90-a00d-d74de8121670/bin/utaipan-gh47qXpMRh/data/d57bcf91d/45a28a26d7b44ffa98e89e19a1cc9997 [2022-12-14 06:39:10,856 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 06:39:10,857 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 06:39:10,857 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 06:39:10,857 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 06:39:10,860 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 06:39:10,860 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:39:10" (1/1) ... [2022-12-14 06:39:10,861 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ba6d18e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:39:10, skipping insertion in model container [2022-12-14 06:39:10,861 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:39:10" (1/1) ... [2022-12-14 06:39:10,867 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 06:39:10,893 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 06:39:11,005 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788a08f1-8060-4b90-a00d-d74de8121670/sv-benchmarks/c/pthread-wmm/mix042.oepc.i[945,958] [2022-12-14 06:39:11,107 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:39:11,113 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:39:11,113 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:39:11,114 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:39:11,114 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:39:11,118 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:39:11,118 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:39:11,118 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:39:11,119 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:39:11,119 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:39:11,120 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:39:11,120 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:39:11,120 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:39:11,124 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:39:11,124 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:39:11,124 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:39:11,125 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:39:11,125 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:39:11,125 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:39:11,125 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:39:11,126 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:39:11,126 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:39:11,126 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:39:11,138 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:39:11,138 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:39:11,141 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:39:11,141 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:39:11,142 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:39:11,147 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:39:11,147 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:39:11,148 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:39:11,151 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:39:11,151 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:39:11,152 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:39:11,153 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:39:11,160 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 06:39:11,169 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788a08f1-8060-4b90-a00d-d74de8121670/sv-benchmarks/c/pthread-wmm/mix042.oepc.i[945,958] [2022-12-14 06:39:11,182 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:39:11,184 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:39:11,184 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:39:11,184 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:39:11,184 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:39:11,187 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:39:11,187 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:39:11,187 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:39:11,188 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:39:11,188 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:39:11,189 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:39:11,189 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:39:11,189 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:39:11,192 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:39:11,192 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:39:11,192 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:39:11,193 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:39:11,193 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:39:11,193 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:39:11,194 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:39:11,194 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:39:11,194 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:39:11,194 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:39:11,203 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:39:11,203 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:39:11,206 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:39:11,206 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:39:11,207 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:39:11,210 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:39:11,211 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:39:11,211 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:39:11,214 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:39:11,214 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:39:11,215 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:39:11,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:39:11,238 INFO L208 MainTranslator]: Completed translation [2022-12-14 06:39:11,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:39:11 WrapperNode [2022-12-14 06:39:11,239 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 06:39:11,239 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 06:39:11,239 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 06:39:11,240 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 06:39:11,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:39:11" (1/1) ... [2022-12-14 06:39:11,257 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:39:11" (1/1) ... [2022-12-14 06:39:11,278 INFO L138 Inliner]: procedures = 176, calls = 58, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 492 [2022-12-14 06:39:11,278 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 06:39:11,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 06:39:11,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 06:39:11,279 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 06:39:11,286 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:39:11" (1/1) ... [2022-12-14 06:39:11,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:39:11" (1/1) ... [2022-12-14 06:39:11,289 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:39:11" (1/1) ... [2022-12-14 06:39:11,290 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:39:11" (1/1) ... [2022-12-14 06:39:11,299 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:39:11" (1/1) ... [2022-12-14 06:39:11,303 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:39:11" (1/1) ... [2022-12-14 06:39:11,305 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:39:11" (1/1) ... [2022-12-14 06:39:11,307 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:39:11" (1/1) ... [2022-12-14 06:39:11,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 06:39:11,311 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 06:39:11,312 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 06:39:11,312 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 06:39:11,312 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:39:11" (1/1) ... [2022-12-14 06:39:11,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:39:11,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788a08f1-8060-4b90-a00d-d74de8121670/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:39:11,335 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788a08f1-8060-4b90-a00d-d74de8121670/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 06:39:11,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788a08f1-8060-4b90-a00d-d74de8121670/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 06:39:11,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 06:39:11,375 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 06:39:11,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 06:39:11,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 06:39:11,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 06:39:11,376 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-14 06:39:11,376 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-14 06:39:11,376 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-14 06:39:11,376 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-14 06:39:11,377 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-12-14 06:39:11,377 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-12-14 06:39:11,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 06:39:11,377 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 06:39:11,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 06:39:11,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 06:39:11,379 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 06:39:11,531 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 06:39:11,533 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 06:39:12,465 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 06:39:30,508 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 06:39:30,508 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 06:39:30,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:39:30 BoogieIcfgContainer [2022-12-14 06:39:30,511 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 06:39:30,514 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 06:39:30,514 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 06:39:30,516 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 06:39:30,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:39:10" (1/3) ... [2022-12-14 06:39:30,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@434efe9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:39:30, skipping insertion in model container [2022-12-14 06:39:30,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:39:11" (2/3) ... [2022-12-14 06:39:30,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@434efe9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:39:30, skipping insertion in model container [2022-12-14 06:39:30,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:39:30" (3/3) ... [2022-12-14 06:39:30,519 INFO L112 eAbstractionObserver]: Analyzing ICFG mix042.oepc.i [2022-12-14 06:39:30,526 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 06:39:30,533 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 06:39:30,533 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 248 error locations. [2022-12-14 06:39:30,534 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 06:39:33,976 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-14 06:39:34,001 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 06:39:34,011 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 377 places, 369 transitions, 753 flow [2022-12-14 06:39:34,013 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 377 places, 369 transitions, 753 flow [2022-12-14 06:39:34,014 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 377 places, 369 transitions, 753 flow [2022-12-14 06:39:35,186 INFO L130 PetriNetUnfolder]: 2/366 cut-off events. [2022-12-14 06:39:35,187 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-14 06:39:35,194 INFO L83 FinitePrefix]: Finished finitePrefix Result has 376 conditions, 366 events. 2/366 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 1979 event pairs, 0 based on Foata normal form. 0/116 useless extension candidates. Maximal degree in co-relation 325. Up to 2 conditions per place. [2022-12-14 06:39:35,209 INFO L119 LiptonReduction]: Number of co-enabled transitions 67056 [2022-12-14 06:42:02,244 WARN L233 SmtUtils]: Spent 2.02m on a formula simplification. DAG size of input: 9018 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 06:43:19,916 WARN L233 SmtUtils]: Spent 1.29m on a formula simplification. DAG size of input: 9032 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 06:45:19,478 WARN L233 SmtUtils]: Spent 1.99m on a formula simplification. DAG size of input: 8988 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 06:47:26,411 WARN L233 SmtUtils]: Spent 2.11m on a formula simplification. DAG size of input: 8988 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 06:49:19,297 WARN L233 SmtUtils]: Spent 1.87m on a formula simplification. DAG size of input: 7897 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 06:51:31,181 WARN L233 SmtUtils]: Spent 2.20m on a formula simplification. DAG size of input: 9114 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 06:53:26,157 WARN L233 SmtUtils]: Spent 1.91m on a formula simplification. DAG size of input: 9106 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)